/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix027_power.oepc.i


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


This is Ultimate 0.1.25-b09bf87
[2020-10-16 12:00:42,451 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-10-16 12:00:42,454 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-16 12:00:42,495 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-16 12:00:42,496 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-16 12:00:42,497 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-16 12:00:42,498 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-10-16 12:00:42,505 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2020-10-16 12:00:42,507 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-16 12:00:42,508 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-16 12:00:42,509 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-16 12:00:42,510 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-16 12:00:42,511 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-16 12:00:42,513 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-16 12:00:42,515 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-16 12:00:42,516 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-16 12:00:42,517 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-10-16 12:00:42,518 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-16 12:00:42,520 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-16 12:00:42,520 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-16 12:00:42,520 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-16 12:00:42,521 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
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[2020-10-16 12:00:42,523 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-10-16 12:00:42,526 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2020-10-16 12:00:42,527 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-10-16 12:00:42,528 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-10-16 12:00:42,529 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf
[2020-10-16 12:00:42,550 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-10-16 12:00:42,551 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-16 12:00:42,552 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-16 12:00:42,552 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-10-16 12:00:42,552 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-10-16 12:00:42,553 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-16 12:00:42,553 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-10-16 12:00:42,553 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-10-16 12:00:42,553 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-10-16 12:00:42,553 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-10-16 12:00:42,554 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-10-16 12:00:42,554 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-16 12:00:42,554 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-10-16 12:00:42,554 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-10-16 12:00:42,554 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-10-16 12:00:42,555 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-10-16 12:00:42,555 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-10-16 12:00:42,555 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-16 12:00:42,555 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-10-16 12:00:42,555 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-10-16 12:00:42,556 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-10-16 12:00:42,556 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-16 12:00:42,556 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-16 12:00:42,556 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=Craig_NestedInterpolation
[2020-10-16 12:00:42,557 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-16 12:00:42,557 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-10-16 12:00:42,557 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-16 12:00:42,557 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK
[2020-10-16 12:00:42,557 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-16 12:00:42,869 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-16 12:00:42,883 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-16 12:00:42,889 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-16 12:00:42,891 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-10-16 12:00:42,893 INFO  L275        PluginConnector]: CDTParser initialized
[2020-10-16 12:00:42,894 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix027_power.oepc.i
[2020-10-16 12:00:42,956 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/40ac3f565/04893b4a90a643399be3164c6573bbf3/FLAGe225d786d
[2020-10-16 12:00:43,501 INFO  L306              CDTParser]: Found 1 translation units.
[2020-10-16 12:00:43,502 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/mix027_power.oepc.i
[2020-10-16 12:00:43,523 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/40ac3f565/04893b4a90a643399be3164c6573bbf3/FLAGe225d786d
[2020-10-16 12:00:43,795 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/40ac3f565/04893b4a90a643399be3164c6573bbf3
[2020-10-16 12:00:43,804 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-16 12:00:43,806 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2020-10-16 12:00:43,807 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-16 12:00:43,807 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-16 12:00:43,810 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-16 12:00:43,814 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:00:43" (1/1) ...
[2020-10-16 12:00:43,818 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b8b558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:43, skipping insertion in model container
[2020-10-16 12:00:43,818 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:00:43" (1/1) ...
[2020-10-16 12:00:43,828 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-10-16 12:00:43,909 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-10-16 12:00:44,498 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 12:00:44,512 INFO  L203         MainTranslator]: Completed pre-run
[2020-10-16 12:00:44,577 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 12:00:44,656 INFO  L208         MainTranslator]: Completed translation
[2020-10-16 12:00:44,656 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:44 WrapperNode
[2020-10-16 12:00:44,657 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-16 12:00:44,658 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-10-16 12:00:44,658 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-10-16 12:00:44,658 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2020-10-16 12:00:44,668 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:44" (1/1) ...
[2020-10-16 12:00:44,692 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:44" (1/1) ...
[2020-10-16 12:00:44,732 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-10-16 12:00:44,733 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-16 12:00:44,733 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-16 12:00:44,733 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-10-16 12:00:44,743 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:44" (1/1) ...
[2020-10-16 12:00:44,743 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:44" (1/1) ...
[2020-10-16 12:00:44,748 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:44" (1/1) ...
[2020-10-16 12:00:44,749 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:44" (1/1) ...
[2020-10-16 12:00:44,761 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:44" (1/1) ...
[2020-10-16 12:00:44,767 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:44" (1/1) ...
[2020-10-16 12:00:44,771 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:44" (1/1) ...
[2020-10-16 12:00:44,777 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-16 12:00:44,778 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-16 12:00:44,778 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-10-16 12:00:44,778 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-10-16 12:00:44,779 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:44" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-16 12:00:44,869 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-10-16 12:00:44,869 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2020-10-16 12:00:44,870 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-16 12:00:44,871 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-16 12:00:44,871 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2020-10-16 12:00:44,872 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2020-10-16 12:00:44,873 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2020-10-16 12:00:44,873 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2020-10-16 12:00:44,874 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2020-10-16 12:00:44,875 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2020-10-16 12:00:44,878 INFO  L130     BoogieDeclarations]: Found specification of procedure P3
[2020-10-16 12:00:44,878 INFO  L138     BoogieDeclarations]: Found implementation of procedure P3
[2020-10-16 12:00:44,878 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2020-10-16 12:00:44,878 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-16 12:00:44,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-16 12:00:44,882 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-10-16 12:00:47,520 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-16 12:00:47,521 INFO  L298             CfgBuilder]: Removed 10 assume(true) statements.
[2020-10-16 12:00:47,524 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:00:47 BoogieIcfgContainer
[2020-10-16 12:00:47,524 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-16 12:00:47,526 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-16 12:00:47,526 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-10-16 12:00:47,530 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-10-16 12:00:47,531 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:00:43" (1/3) ...
[2020-10-16 12:00:47,532 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785f167a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:00:47, skipping insertion in model container
[2020-10-16 12:00:47,532 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:00:44" (2/3) ...
[2020-10-16 12:00:47,532 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785f167a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:00:47, skipping insertion in model container
[2020-10-16 12:00:47,533 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:00:47" (3/3) ...
[2020-10-16 12:00:47,535 INFO  L111   eAbstractionObserver]: Analyzing ICFG mix027_power.oepc.i
[2020-10-16 12:00:47,550 WARN  L153   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-10-16 12:00:47,550 INFO  L164   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-10-16 12:00:47,561 INFO  L176   ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2020-10-16 12:00:47,563 INFO  L348   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-10-16 12:00:47,604 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,605 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,605 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,606 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,606 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,606 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,607 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,609 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,610 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,610 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,610 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,610 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,610 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,610 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,610 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,611 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,611 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,612 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,612 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,612 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,612 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,612 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,612 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,613 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,613 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,613 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,613 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,613 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,614 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,614 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,615 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,615 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,615 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,615 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,616 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,616 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,616 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,616 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,616 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,617 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,617 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,617 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,618 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,618 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,618 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,619 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,619 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,619 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,619 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,620 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,620 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,620 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,620 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,620 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,621 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,621 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,621 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,621 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,621 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,622 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,622 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,622 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,622 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,622 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,622 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,623 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,623 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,623 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,623 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,623 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,624 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,624 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,624 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,624 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,624 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,624 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,625 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,625 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,625 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,625 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,625 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,625 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,626 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,626 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,626 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,628 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,628 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,628 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,629 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,629 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,629 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,629 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,630 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,630 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,635 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,635 WARN  L313   ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,635 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,635 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,636 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,636 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,636 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,636 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,637 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,637 WARN  L313   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,639 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,640 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,640 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,640 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,640 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,641 WARN  L313   ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,641 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,641 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,641 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,641 WARN  L313   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,643 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,643 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,644 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,644 WARN  L313   ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,644 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,644 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,644 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,645 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,645 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,645 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,645 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,645 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,646 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,646 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,646 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,646 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,646 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,647 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,647 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet20| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,647 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,647 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,648 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,648 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,648 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,648 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,649 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,649 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,649 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,649 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,649 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,650 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,650 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,650 WARN  L313   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,652 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,652 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,653 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,653 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,653 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,653 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,654 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,654 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,654 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,654 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,654 WARN  L313   ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,655 WARN  L313   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 12:00:47,656 INFO  L149    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2020-10-16 12:00:47,674 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2020-10-16 12:00:47,700 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-10-16 12:00:47,700 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-10-16 12:00:47,700 INFO  L379      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-10-16 12:00:47,701 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-16 12:00:47,701 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-16 12:00:47,701 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-10-16 12:00:47,701 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-16 12:00:47,701 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-16 12:00:47,718 INFO  L137   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2020-10-16 12:00:47,719 INFO  L144   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 244 flow
[2020-10-16 12:00:47,723 INFO  L111        LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 244 flow
[2020-10-16 12:00:47,726 INFO  L71            FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 244 flow
[2020-10-16 12:00:47,786 INFO  L129       PetriNetUnfolder]: 2/108 cut-off events.
[2020-10-16 12:00:47,787 INFO  L130       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2020-10-16 12:00:47,793 INFO  L80            FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 83 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. 
[2020-10-16 12:00:47,798 INFO  L117        LiptonReduction]: Number of co-enabled transitions 2714
[2020-10-16 12:00:48,654 WARN  L193               SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58
[2020-10-16 12:00:49,475 WARN  L193               SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 58
[2020-10-16 12:00:49,582 WARN  L193               SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 58
[2020-10-16 12:00:50,847 WARN  L193               SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95
[2020-10-16 12:00:50,991 WARN  L193               SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 93
[2020-10-16 12:00:51,056 INFO  L132        LiptonReduction]: Checked pairs total: 7814
[2020-10-16 12:00:51,056 INFO  L134        LiptonReduction]: Total number of compositions: 87
[2020-10-16 12:00:51,063 INFO  L100   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 34 transitions, 88 flow
[2020-10-16 12:00:51,379 INFO  L122   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4874 states.
[2020-10-16 12:00:51,382 INFO  L276                IsEmpty]: Start isEmpty. Operand 4874 states.
[2020-10-16 12:00:51,389 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2020-10-16 12:00:51,390 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:00:51,390 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1]
[2020-10-16 12:00:51,391 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:00:51,397 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:00:51,398 INFO  L82        PathProgramCache]: Analyzing trace with hash 1191868, now seen corresponding path program 1 times
[2020-10-16 12:00:51,410 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:00:51,410 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591169445]
[2020-10-16 12:00:51,410 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:00:51,562 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:00:51,633 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:00:51,634 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591169445]
[2020-10-16 12:00:51,635 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:00:51,635 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-10-16 12:00:51,636 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290771186]
[2020-10-16 12:00:51,641 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 12:00:51,641 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:00:51,656 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 12:00:51,657 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:00:51,660 INFO  L87              Difference]: Start difference. First operand 4874 states. Second operand 3 states.
[2020-10-16 12:00:51,827 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:00:51,827 INFO  L93              Difference]: Finished difference Result 4062 states and 16125 transitions.
[2020-10-16 12:00:51,828 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 12:00:51,830 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 3
[2020-10-16 12:00:51,830 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:00:51,885 INFO  L225             Difference]: With dead ends: 4062
[2020-10-16 12:00:51,885 INFO  L226             Difference]: Without dead ends: 3312
[2020-10-16 12:00:51,887 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:00:51,944 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3312 states.
[2020-10-16 12:00:52,276 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3312 to 3312.
[2020-10-16 12:00:52,279 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3312 states.
[2020-10-16 12:00:52,321 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 12950 transitions.
[2020-10-16 12:00:52,323 INFO  L78                 Accepts]: Start accepts. Automaton has 3312 states and 12950 transitions. Word has length 3
[2020-10-16 12:00:52,324 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:00:52,324 INFO  L481      AbstractCegarLoop]: Abstraction has 3312 states and 12950 transitions.
[2020-10-16 12:00:52,324 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 12:00:52,324 INFO  L276                IsEmpty]: Start isEmpty. Operand 3312 states and 12950 transitions.
[2020-10-16 12:00:52,338 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-10-16 12:00:52,339 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:00:52,339 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:00:52,340 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-16 12:00:52,340 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:00:52,345 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:00:52,345 INFO  L82        PathProgramCache]: Analyzing trace with hash -327406856, now seen corresponding path program 1 times
[2020-10-16 12:00:52,345 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:00:52,346 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750070311]
[2020-10-16 12:00:52,351 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:00:52,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:00:52,516 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:00:52,517 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750070311]
[2020-10-16 12:00:52,517 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:00:52,517 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-10-16 12:00:52,517 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334965425]
[2020-10-16 12:00:52,522 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 12:00:52,523 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:00:52,523 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 12:00:52,524 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:00:52,525 INFO  L87              Difference]: Start difference. First operand 3312 states and 12950 transitions. Second operand 3 states.
[2020-10-16 12:00:52,582 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:00:52,583 INFO  L93              Difference]: Finished difference Result 3062 states and 11850 transitions.
[2020-10-16 12:00:52,583 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 12:00:52,583 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 11
[2020-10-16 12:00:52,584 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:00:52,618 INFO  L225             Difference]: With dead ends: 3062
[2020-10-16 12:00:52,618 INFO  L226             Difference]: Without dead ends: 3062
[2020-10-16 12:00:52,619 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:00:52,641 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3062 states.
[2020-10-16 12:00:52,776 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 3062.
[2020-10-16 12:00:52,776 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3062 states.
[2020-10-16 12:00:52,814 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 11850 transitions.
[2020-10-16 12:00:52,815 INFO  L78                 Accepts]: Start accepts. Automaton has 3062 states and 11850 transitions. Word has length 11
[2020-10-16 12:00:52,816 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:00:52,817 INFO  L481      AbstractCegarLoop]: Abstraction has 3062 states and 11850 transitions.
[2020-10-16 12:00:52,817 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 12:00:52,817 INFO  L276                IsEmpty]: Start isEmpty. Operand 3062 states and 11850 transitions.
[2020-10-16 12:00:52,826 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-10-16 12:00:52,826 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:00:52,827 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:00:52,827 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-16 12:00:52,827 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:00:52,828 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:00:52,828 INFO  L82        PathProgramCache]: Analyzing trace with hash -1100407192, now seen corresponding path program 1 times
[2020-10-16 12:00:52,828 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:00:52,829 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068476823]
[2020-10-16 12:00:52,829 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:00:52,909 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:00:52,957 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:00:52,958 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068476823]
[2020-10-16 12:00:52,959 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:00:52,959 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2020-10-16 12:00:52,959 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610967720]
[2020-10-16 12:00:52,960 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 12:00:52,960 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:00:52,960 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 12:00:52,961 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:00:52,961 INFO  L87              Difference]: Start difference. First operand 3062 states and 11850 transitions. Second operand 3 states.
[2020-10-16 12:00:53,023 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:00:53,024 INFO  L93              Difference]: Finished difference Result 3022 states and 11668 transitions.
[2020-10-16 12:00:53,024 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 12:00:53,024 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 13
[2020-10-16 12:00:53,025 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:00:53,060 INFO  L225             Difference]: With dead ends: 3022
[2020-10-16 12:00:53,061 INFO  L226             Difference]: Without dead ends: 3022
[2020-10-16 12:00:53,061 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:00:53,084 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3022 states.
[2020-10-16 12:00:53,183 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3022 to 3022.
[2020-10-16 12:00:53,183 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3022 states.
[2020-10-16 12:00:53,213 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 3022 states and 11668 transitions.
[2020-10-16 12:00:53,213 INFO  L78                 Accepts]: Start accepts. Automaton has 3022 states and 11668 transitions. Word has length 13
[2020-10-16 12:00:53,213 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:00:53,213 INFO  L481      AbstractCegarLoop]: Abstraction has 3022 states and 11668 transitions.
[2020-10-16 12:00:53,214 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 12:00:53,214 INFO  L276                IsEmpty]: Start isEmpty. Operand 3022 states and 11668 transitions.
[2020-10-16 12:00:53,217 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2020-10-16 12:00:53,218 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:00:53,218 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:00:53,218 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-10-16 12:00:53,218 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:00:53,219 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:00:53,219 INFO  L82        PathProgramCache]: Analyzing trace with hash -1961479498, now seen corresponding path program 1 times
[2020-10-16 12:00:53,219 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:00:53,219 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80239444]
[2020-10-16 12:00:53,220 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:00:53,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:00:53,304 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:00:53,305 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80239444]
[2020-10-16 12:00:53,305 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:00:53,305 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 12:00:53,306 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486806828]
[2020-10-16 12:00:53,306 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 12:00:53,306 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:00:53,307 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 12:00:53,307 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 12:00:53,307 INFO  L87              Difference]: Start difference. First operand 3022 states and 11668 transitions. Second operand 4 states.
[2020-10-16 12:00:53,382 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:00:53,382 INFO  L93              Difference]: Finished difference Result 2964 states and 10373 transitions.
[2020-10-16 12:00:53,383 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-10-16 12:00:53,383 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 14
[2020-10-16 12:00:53,384 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:00:53,405 INFO  L225             Difference]: With dead ends: 2964
[2020-10-16 12:00:53,406 INFO  L226             Difference]: Without dead ends: 2214
[2020-10-16 12:00:53,406 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:00:53,421 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2214 states.
[2020-10-16 12:00:53,502 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2214.
[2020-10-16 12:00:53,503 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2214 states.
[2020-10-16 12:00:53,527 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 7628 transitions.
[2020-10-16 12:00:53,528 INFO  L78                 Accepts]: Start accepts. Automaton has 2214 states and 7628 transitions. Word has length 14
[2020-10-16 12:00:53,528 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:00:53,528 INFO  L481      AbstractCegarLoop]: Abstraction has 2214 states and 7628 transitions.
[2020-10-16 12:00:53,528 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 12:00:53,529 INFO  L276                IsEmpty]: Start isEmpty. Operand 2214 states and 7628 transitions.
[2020-10-16 12:00:53,534 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2020-10-16 12:00:53,534 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:00:53,534 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:00:53,535 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-16 12:00:53,535 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:00:53,536 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:00:53,536 INFO  L82        PathProgramCache]: Analyzing trace with hash -2122969321, now seen corresponding path program 1 times
[2020-10-16 12:00:53,536 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:00:53,537 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974812559]
[2020-10-16 12:00:53,537 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:00:53,566 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:00:53,628 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:00:53,628 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974812559]
[2020-10-16 12:00:53,629 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:00:53,633 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 12:00:53,634 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903895393]
[2020-10-16 12:00:53,634 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 12:00:53,635 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:00:53,635 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 12:00:53,636 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:00:53,636 INFO  L87              Difference]: Start difference. First operand 2214 states and 7628 transitions. Second operand 3 states.
[2020-10-16 12:00:53,714 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:00:53,715 INFO  L93              Difference]: Finished difference Result 3294 states and 11069 transitions.
[2020-10-16 12:00:53,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 12:00:53,729 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 17
[2020-10-16 12:00:53,729 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:00:53,782 INFO  L225             Difference]: With dead ends: 3294
[2020-10-16 12:00:53,782 INFO  L226             Difference]: Without dead ends: 2310
[2020-10-16 12:00:53,783 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 12:00:53,924 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2310 states.
[2020-10-16 12:00:54,014 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2310 to 2178.
[2020-10-16 12:00:54,014 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2178 states.
[2020-10-16 12:00:54,038 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 7207 transitions.
[2020-10-16 12:00:54,038 INFO  L78                 Accepts]: Start accepts. Automaton has 2178 states and 7207 transitions. Word has length 17
[2020-10-16 12:00:54,039 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:00:54,039 INFO  L481      AbstractCegarLoop]: Abstraction has 2178 states and 7207 transitions.
[2020-10-16 12:00:54,039 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 12:00:54,039 INFO  L276                IsEmpty]: Start isEmpty. Operand 2178 states and 7207 transitions.
[2020-10-16 12:00:54,044 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2020-10-16 12:00:54,045 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:00:54,045 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:00:54,045 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-16 12:00:54,045 INFO  L429      AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:00:54,046 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:00:54,046 INFO  L82        PathProgramCache]: Analyzing trace with hash 935604432, now seen corresponding path program 1 times
[2020-10-16 12:00:54,047 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:00:54,047 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473743967]
[2020-10-16 12:00:54,047 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:00:54,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:00:54,193 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:00:54,194 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473743967]
[2020-10-16 12:00:54,194 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:00:54,194 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-10-16 12:00:54,195 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337806866]
[2020-10-16 12:00:54,196 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 12:00:54,196 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:00:54,196 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 12:00:54,197 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:00:54,197 INFO  L87              Difference]: Start difference. First operand 2178 states and 7207 transitions. Second operand 5 states.
[2020-10-16 12:00:54,288 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:00:54,288 INFO  L93              Difference]: Finished difference Result 1832 states and 5586 transitions.
[2020-10-16 12:00:54,289 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-10-16 12:00:54,289 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 17
[2020-10-16 12:00:54,290 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:00:54,305 INFO  L225             Difference]: With dead ends: 1832
[2020-10-16 12:00:54,305 INFO  L226             Difference]: Without dead ends: 1402
[2020-10-16 12:00:54,306 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 12:00:54,315 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1402 states.
[2020-10-16 12:00:54,358 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1402.
[2020-10-16 12:00:54,358 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1402 states.
[2020-10-16 12:00:54,370 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 4197 transitions.
[2020-10-16 12:00:54,370 INFO  L78                 Accepts]: Start accepts. Automaton has 1402 states and 4197 transitions. Word has length 17
[2020-10-16 12:00:54,370 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:00:54,370 INFO  L481      AbstractCegarLoop]: Abstraction has 1402 states and 4197 transitions.
[2020-10-16 12:00:54,371 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 12:00:54,371 INFO  L276                IsEmpty]: Start isEmpty. Operand 1402 states and 4197 transitions.
[2020-10-16 12:00:54,378 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2020-10-16 12:00:54,378 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:00:54,378 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:00:54,379 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-10-16 12:00:54,379 INFO  L429      AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:00:54,379 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:00:54,379 INFO  L82        PathProgramCache]: Analyzing trace with hash 1359836827, now seen corresponding path program 1 times
[2020-10-16 12:00:54,380 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:00:54,380 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197093070]
[2020-10-16 12:00:54,380 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:00:54,541 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:00:54,631 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:00:54,631 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197093070]
[2020-10-16 12:00:54,632 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:00:54,632 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-10-16 12:00:54,632 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311067486]
[2020-10-16 12:00:54,632 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-10-16 12:00:54,633 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:00:54,633 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-10-16 12:00:54,633 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2020-10-16 12:00:54,633 INFO  L87              Difference]: Start difference. First operand 1402 states and 4197 transitions. Second operand 6 states.
[2020-10-16 12:00:54,728 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:00:54,728 INFO  L93              Difference]: Finished difference Result 1239 states and 3682 transitions.
[2020-10-16 12:00:54,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-10-16 12:00:54,730 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 20
[2020-10-16 12:00:54,730 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:00:54,736 INFO  L225             Difference]: With dead ends: 1239
[2020-10-16 12:00:54,736 INFO  L226             Difference]: Without dead ends: 1113
[2020-10-16 12:00:54,736 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2020-10-16 12:00:54,744 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1113 states.
[2020-10-16 12:00:54,775 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 1113.
[2020-10-16 12:00:54,776 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1113 states.
[2020-10-16 12:00:54,784 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 3354 transitions.
[2020-10-16 12:00:54,784 INFO  L78                 Accepts]: Start accepts. Automaton has 1113 states and 3354 transitions. Word has length 20
[2020-10-16 12:00:54,784 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:00:54,785 INFO  L481      AbstractCegarLoop]: Abstraction has 1113 states and 3354 transitions.
[2020-10-16 12:00:54,785 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-10-16 12:00:54,785 INFO  L276                IsEmpty]: Start isEmpty. Operand 1113 states and 3354 transitions.
[2020-10-16 12:00:54,789 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2020-10-16 12:00:54,790 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:00:54,790 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:00:54,790 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-10-16 12:00:54,791 INFO  L429      AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:00:54,791 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:00:54,791 INFO  L82        PathProgramCache]: Analyzing trace with hash 1899212334, now seen corresponding path program 1 times
[2020-10-16 12:00:54,791 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:00:54,792 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751014738]
[2020-10-16 12:00:54,792 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:00:54,883 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:00:55,478 WARN  L193               SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33
[2020-10-16 12:00:55,660 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:00:55,661 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751014738]
[2020-10-16 12:00:55,661 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:00:55,661 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-10-16 12:00:55,662 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923178227]
[2020-10-16 12:00:55,662 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-10-16 12:00:55,662 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:00:55,662 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-10-16 12:00:55,664 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2020-10-16 12:00:55,664 INFO  L87              Difference]: Start difference. First operand 1113 states and 3354 transitions. Second operand 7 states.
[2020-10-16 12:00:56,344 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:00:56,344 INFO  L93              Difference]: Finished difference Result 2386 states and 6733 transitions.
[2020-10-16 12:00:56,345 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2020-10-16 12:00:56,345 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 24
[2020-10-16 12:00:56,346 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:00:56,355 INFO  L225             Difference]: With dead ends: 2386
[2020-10-16 12:00:56,356 INFO  L226             Difference]: Without dead ends: 2083
[2020-10-16 12:00:56,356 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2020-10-16 12:00:56,368 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2083 states.
[2020-10-16 12:00:56,421 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2083 to 1390.
[2020-10-16 12:00:56,422 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1390 states.
[2020-10-16 12:00:56,429 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1390 states and 4067 transitions.
[2020-10-16 12:00:56,429 INFO  L78                 Accepts]: Start accepts. Automaton has 1390 states and 4067 transitions. Word has length 24
[2020-10-16 12:00:56,430 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:00:56,430 INFO  L481      AbstractCegarLoop]: Abstraction has 1390 states and 4067 transitions.
[2020-10-16 12:00:56,430 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-10-16 12:00:56,430 INFO  L276                IsEmpty]: Start isEmpty. Operand 1390 states and 4067 transitions.
[2020-10-16 12:00:56,435 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2020-10-16 12:00:56,436 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:00:56,436 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:00:56,436 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-10-16 12:00:56,436 INFO  L429      AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:00:56,437 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:00:56,437 INFO  L82        PathProgramCache]: Analyzing trace with hash 350209666, now seen corresponding path program 2 times
[2020-10-16 12:00:56,437 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:00:56,437 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596459843]
[2020-10-16 12:00:56,438 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:00:56,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:00:56,603 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:00:56,603 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596459843]
[2020-10-16 12:00:56,604 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:00:56,605 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-10-16 12:00:56,606 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387067245]
[2020-10-16 12:00:56,606 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-10-16 12:00:56,606 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:00:56,607 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-10-16 12:00:56,607 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2020-10-16 12:00:56,607 INFO  L87              Difference]: Start difference. First operand 1390 states and 4067 transitions. Second operand 7 states.
[2020-10-16 12:00:56,716 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:00:56,716 INFO  L93              Difference]: Finished difference Result 1357 states and 3997 transitions.
[2020-10-16 12:00:56,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-10-16 12:00:56,717 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 24
[2020-10-16 12:00:56,717 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:00:56,722 INFO  L225             Difference]: With dead ends: 1357
[2020-10-16 12:00:56,722 INFO  L226             Difference]: Without dead ends: 683
[2020-10-16 12:00:56,723 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110
[2020-10-16 12:00:56,726 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 683 states.
[2020-10-16 12:00:56,747 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 683.
[2020-10-16 12:00:56,747 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 683 states.
[2020-10-16 12:00:56,751 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 1916 transitions.
[2020-10-16 12:00:56,751 INFO  L78                 Accepts]: Start accepts. Automaton has 683 states and 1916 transitions. Word has length 24
[2020-10-16 12:00:56,752 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:00:56,753 INFO  L481      AbstractCegarLoop]: Abstraction has 683 states and 1916 transitions.
[2020-10-16 12:00:56,753 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-10-16 12:00:56,753 INFO  L276                IsEmpty]: Start isEmpty. Operand 683 states and 1916 transitions.
[2020-10-16 12:00:56,755 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2020-10-16 12:00:56,756 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:00:56,756 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:00:56,756 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-10-16 12:00:56,756 INFO  L429      AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:00:56,757 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:00:56,757 INFO  L82        PathProgramCache]: Analyzing trace with hash -1348279131, now seen corresponding path program 1 times
[2020-10-16 12:00:56,757 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:00:56,757 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913271151]
[2020-10-16 12:00:56,757 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:00:56,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:00:56,842 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:00:56,843 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913271151]
[2020-10-16 12:00:56,843 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:00:56,844 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 12:00:56,844 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054431149]
[2020-10-16 12:00:56,844 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-10-16 12:00:56,844 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:00:56,845 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-10-16 12:00:56,845 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-10-16 12:00:56,845 INFO  L87              Difference]: Start difference. First operand 683 states and 1916 transitions. Second operand 4 states.
[2020-10-16 12:00:56,868 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:00:56,868 INFO  L93              Difference]: Finished difference Result 953 states and 2678 transitions.
[2020-10-16 12:00:56,869 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2020-10-16 12:00:56,869 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 28
[2020-10-16 12:00:56,869 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:00:56,871 INFO  L225             Difference]: With dead ends: 953
[2020-10-16 12:00:56,872 INFO  L226             Difference]: Without dead ends: 407
[2020-10-16 12:00:56,872 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-10-16 12:00:56,874 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 407 states.
[2020-10-16 12:00:56,890 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407.
[2020-10-16 12:00:56,891 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 407 states.
[2020-10-16 12:00:56,893 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 1100 transitions.
[2020-10-16 12:00:56,894 INFO  L78                 Accepts]: Start accepts. Automaton has 407 states and 1100 transitions. Word has length 28
[2020-10-16 12:00:56,894 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:00:56,894 INFO  L481      AbstractCegarLoop]: Abstraction has 407 states and 1100 transitions.
[2020-10-16 12:00:56,894 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-10-16 12:00:56,894 INFO  L276                IsEmpty]: Start isEmpty. Operand 407 states and 1100 transitions.
[2020-10-16 12:00:56,897 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2020-10-16 12:00:56,897 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:00:56,897 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:00:56,897 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2020-10-16 12:00:56,898 INFO  L429      AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:00:56,898 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:00:56,898 INFO  L82        PathProgramCache]: Analyzing trace with hash -763891125, now seen corresponding path program 2 times
[2020-10-16 12:00:56,898 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:00:56,898 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739306930]
[2020-10-16 12:00:56,899 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:00:56,966 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 12:00:57,402 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 12:00:57,403 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739306930]
[2020-10-16 12:00:57,403 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 12:00:57,404 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-10-16 12:00:57,404 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635312594]
[2020-10-16 12:00:57,404 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-10-16 12:00:57,405 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 12:00:57,405 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-10-16 12:00:57,405 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-10-16 12:00:57,405 INFO  L87              Difference]: Start difference. First operand 407 states and 1100 transitions. Second operand 8 states.
[2020-10-16 12:00:57,648 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 12:00:57,648 INFO  L93              Difference]: Finished difference Result 630 states and 1681 transitions.
[2020-10-16 12:00:57,648 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-10-16 12:00:57,649 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 28
[2020-10-16 12:00:57,649 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 12:00:57,651 INFO  L225             Difference]: With dead ends: 630
[2020-10-16 12:00:57,652 INFO  L226             Difference]: Without dead ends: 564
[2020-10-16 12:00:57,652 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2020-10-16 12:00:57,655 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 564 states.
[2020-10-16 12:00:57,668 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 407.
[2020-10-16 12:00:57,668 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 407 states.
[2020-10-16 12:00:57,671 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 1080 transitions.
[2020-10-16 12:00:57,671 INFO  L78                 Accepts]: Start accepts. Automaton has 407 states and 1080 transitions. Word has length 28
[2020-10-16 12:00:57,671 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 12:00:57,672 INFO  L481      AbstractCegarLoop]: Abstraction has 407 states and 1080 transitions.
[2020-10-16 12:00:57,672 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-10-16 12:00:57,672 INFO  L276                IsEmpty]: Start isEmpty. Operand 407 states and 1080 transitions.
[2020-10-16 12:00:57,675 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2020-10-16 12:00:57,675 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 12:00:57,675 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 12:00:57,676 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2020-10-16 12:00:57,676 INFO  L429      AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 12:00:57,676 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 12:00:57,677 INFO  L82        PathProgramCache]: Analyzing trace with hash 1982073503, now seen corresponding path program 3 times
[2020-10-16 12:00:57,677 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 12:00:57,677 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130293343]
[2020-10-16 12:00:57,677 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 12:00:57,801 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-16 12:00:57,802 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-16 12:00:57,910 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-10-16 12:00:57,911 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-10-16 12:00:57,980 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-10-16 12:00:57,980 INFO  L523         BasicCegarLoop]: Counterexample might be feasible
[2020-10-16 12:00:57,981 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2020-10-16 12:00:57,982 WARN  L264   etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available.
[2020-10-16 12:00:58,020 WARN  L124   codingBacktranslator]: Skipped backtranslation of ATE [1152] [1152] L3-->L871: Formula: (let ((.cse7 (= (mod ~a$r_buff1_thd0~0_In1409649565 256) 0)) (.cse6 (= (mod ~a$w_buff1_used~0_In1409649565 256) 0)) (.cse8 (= (mod ~a$r_buff0_thd0~0_In1409649565 256) 0)) (.cse9 (= (mod ~a$w_buff0_used~0_In1409649565 256) 0))) (let ((.cse2 (or .cse8 .cse9)) (.cse0 (not .cse9)) (.cse1 (not .cse8)) (.cse3 (or .cse7 .cse6)) (.cse4 (not .cse7)) (.cse5 (not .cse6))) (and (not (= ULTIMATE.start_assume_abort_if_not_~cond_In1409649565 0)) (or (and (= ~a~0_Out1409649565 ~a$w_buff0~0_In1409649565) .cse0 .cse1) (and .cse2 (or (and .cse3 (= ~a~0_In1409649565 ~a~0_Out1409649565)) (and .cse4 (= ~a~0_Out1409649565 ~a$w_buff1~0_In1409649565) .cse5)))) (= ~a$r_buff1_thd0~0_Out1409649565 ~a$r_buff1_thd0~0_In1409649565) (or (and (= ~a$w_buff0_used~0_Out1409649565 ~a$w_buff0_used~0_In1409649565) .cse2) (and .cse0 .cse1 (= ~a$w_buff0_used~0_Out1409649565 0))) (or (and (= ~a$w_buff1_used~0_Out1409649565 ~a$w_buff1_used~0_In1409649565) .cse3) (and .cse4 (= ~a$w_buff1_used~0_Out1409649565 0) .cse5)) (= ~a$r_buff0_thd0~0_In1409649565 ~a$r_buff0_thd0~0_Out1409649565))))  InVars {~a~0=~a~0_In1409649565, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In1409649565, ~a$w_buff1~0=~a$w_buff1~0_In1409649565, ~a$w_buff0~0=~a$w_buff0~0_In1409649565, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In1409649565, ~a$w_buff0_used~0=~a$w_buff0_used~0_In1409649565, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In1409649565, ~a$w_buff1_used~0=~a$w_buff1_used~0_In1409649565}  OutVars{ULTIMATE.start_main_#t~ite58=|ULTIMATE.start_main_#t~ite58_Out1409649565|, ~a$w_buff0_used~0=~a$w_buff0_used~0_Out1409649565, ULTIMATE.start_main_#t~ite57=|ULTIMATE.start_main_#t~ite57_Out1409649565|, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_Out1409649565, ULTIMATE.start_main_#t~ite54=|ULTIMATE.start_main_#t~ite54_Out1409649565|, ULTIMATE.start_main_#t~ite53=|ULTIMATE.start_main_#t~ite53_Out1409649565|, ULTIMATE.start_main_#t~ite56=|ULTIMATE.start_main_#t~ite56_Out1409649565|, ULTIMATE.start_main_#t~ite55=|ULTIMATE.start_main_#t~ite55_Out1409649565|, ~a~0=~a~0_Out1409649565, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In1409649565, ~a$w_buff1~0=~a$w_buff1~0_In1409649565, ~a$w_buff0~0=~a$w_buff0~0_In1409649565, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_Out1409649565, ~a$w_buff1_used~0=~a$w_buff1_used~0_Out1409649565}  AuxVars[]  AssignedVars[~a~0, ULTIMATE.start_main_#t~ite58, ~a$r_buff1_thd0~0, ~a$w_buff0_used~0, ULTIMATE.start_main_#t~ite57, ~a$r_buff0_thd0~0, ~a$w_buff1_used~0, ULTIMATE.start_main_#t~ite54, ULTIMATE.start_main_#t~ite53, ULTIMATE.start_main_#t~ite56, ULTIMATE.start_main_#t~ite55] because there is no mapped edge
[2020-10-16 12:00:58,029 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,030 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,037 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,037 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,037 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,038 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,038 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,038 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,038 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,038 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,039 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,039 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,039 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,039 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,040 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,040 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,041 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,041 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,041 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,041 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,041 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,041 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,042 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,042 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,045 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,045 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,045 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,045 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,045 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,046 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,046 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,046 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,046 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,047 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,051 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,051 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,052 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,052 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,052 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,052 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,052 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,052 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,053 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,053 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,053 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,053 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,054 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,054 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,054 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,054 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,054 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,055 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,055 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,055 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,055 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,055 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,055 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,056 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,057 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,057 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,057 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,057 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,058 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,058 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,058 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,058 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,058 WARN  L219     RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented.
[2020-10-16 12:00:58,058 ERROR L222     RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location
[2020-10-16 12:00:58,178 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:00:58 BasicIcfg
[2020-10-16 12:00:58,179 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-10-16 12:00:58,181 INFO  L168              Benchmark]: Toolchain (without parser) took 14375.46 ms. Allocated memory was 137.4 MB in the beginning and 434.6 MB in the end (delta: 297.3 MB). Free memory was 98.7 MB in the beginning and 75.7 MB in the end (delta: 23.0 MB). Peak memory consumption was 320.3 MB. Max. memory is 7.1 GB.
[2020-10-16 12:00:58,186 INFO  L168              Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-10-16 12:00:58,186 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 850.47 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 98.5 MB in the beginning and 152.4 MB in the end (delta: -53.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB.
[2020-10-16 12:00:58,189 INFO  L168              Benchmark]: Boogie Procedure Inliner took 74.78 ms. Allocated memory is still 200.3 MB. Free memory was 152.4 MB in the beginning and 149.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB.
[2020-10-16 12:00:58,191 INFO  L168              Benchmark]: Boogie Preprocessor took 44.63 ms. Allocated memory is still 200.3 MB. Free memory was 149.5 MB in the beginning and 146.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB.
[2020-10-16 12:00:58,192 INFO  L168              Benchmark]: RCFGBuilder took 2746.76 ms. Allocated memory was 200.3 MB in the beginning and 254.3 MB in the end (delta: 54.0 MB). Free memory was 146.7 MB in the beginning and 156.3 MB in the end (delta: -9.5 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB.
[2020-10-16 12:00:58,198 INFO  L168              Benchmark]: TraceAbstraction took 10652.89 ms. Allocated memory was 254.3 MB in the beginning and 434.6 MB in the end (delta: 180.4 MB). Free memory was 156.3 MB in the beginning and 75.7 MB in the end (delta: 80.5 MB). Peak memory consumption was 260.9 MB. Max. memory is 7.1 GB.
[2020-10-16 12:00:58,205 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.40 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 850.47 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 98.5 MB in the beginning and 152.4 MB in the end (delta: -53.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB.
 * Boogie Procedure Inliner took 74.78 ms. Allocated memory is still 200.3 MB. Free memory was 152.4 MB in the beginning and 149.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 44.63 ms. Allocated memory is still 200.3 MB. Free memory was 149.5 MB in the beginning and 146.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 2746.76 ms. Allocated memory was 200.3 MB in the beginning and 254.3 MB in the end (delta: 54.0 MB). Free memory was 146.7 MB in the beginning and 156.3 MB in the end (delta: -9.5 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 10652.89 ms. Allocated memory was 254.3 MB in the beginning and 434.6 MB in the end (delta: 180.4 MB). Free memory was 156.3 MB in the beginning and 75.7 MB in the end (delta: 80.5 MB). Peak memory consumption was 260.9 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    1377 VarBasedMoverChecksPositive, 56 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 146 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.3s, 123 PlacesBefore, 47 PlacesAfterwards, 112 TransitionsBefore, 34 TransitionsAfterwards, 2714 CoEnabledTransitionPairs, 6 FixpointIterations, 36 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 87 TotalNumberOfCompositions, 7814 MoverChecksTotal
  - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable
    a call of __VERIFIER_error() is reachable
We found a FailurePath: 
[L699]               0  int __unbuffered_cnt = 0;
[L701]               0  int __unbuffered_p1_EAX = 0;
[L703]               0  int __unbuffered_p3_EAX = 0;
[L705]               0  int __unbuffered_p3_EBX = 0;
[L707]               0  int a = 0;
[L708]               0  _Bool a$flush_delayed;
[L709]               0  int a$mem_tmp;
[L710]               0  _Bool a$r_buff0_thd0;
[L711]               0  _Bool a$r_buff0_thd1;
[L712]               0  _Bool a$r_buff0_thd2;
[L713]               0  _Bool a$r_buff0_thd3;
[L714]               0  _Bool a$r_buff0_thd4;
[L715]               0  _Bool a$r_buff1_thd0;
[L716]               0  _Bool a$r_buff1_thd1;
[L717]               0  _Bool a$r_buff1_thd2;
[L718]               0  _Bool a$r_buff1_thd3;
[L719]               0  _Bool a$r_buff1_thd4;
[L720]               0  _Bool a$read_delayed;
[L721]               0  int *a$read_delayed_var;
[L722]               0  int a$w_buff0;
[L723]               0  _Bool a$w_buff0_used;
[L724]               0  int a$w_buff1;
[L725]               0  _Bool a$w_buff1_used;
[L726]               0  _Bool main$tmp_guard0;
[L727]               0  _Bool main$tmp_guard1;
[L729]               0  int x = 0;
[L731]               0  int y = 0;
[L733]               0  int z = 0;
[L734]               0  _Bool weak$$choice0;
[L735]               0  _Bool weak$$choice2;
[L853]               0  pthread_t t713;
[L854]  FCALL, FORK  0  pthread_create(&t713, ((void *)0), P0, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0]
[L739]               1  a$w_buff1 = a$w_buff0
[L740]               1  a$w_buff0 = 1
[L741]               1  a$w_buff1_used = a$w_buff0_used
[L742]               1  a$w_buff0_used = (_Bool)1
[L7]    COND TRUE    1  !expression
[L7]                 1  __VERIFIER_error()
[L744]               1  a$r_buff1_thd0 = a$r_buff0_thd0
[L745]               1  a$r_buff1_thd1 = a$r_buff0_thd1
[L746]               1  a$r_buff1_thd2 = a$r_buff0_thd2
[L747]               1  a$r_buff1_thd3 = a$r_buff0_thd3
[L748]               1  a$r_buff1_thd4 = a$r_buff0_thd4
[L749]               1  a$r_buff0_thd1 = (_Bool)1
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0]
[L855]               0  pthread_t t714;
[L856]  FCALL, FORK  0  pthread_create(&t714, ((void *)0), P1, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0]
[L857]               0  pthread_t t715;
[L858]  FCALL, FORK  0  pthread_create(&t715, ((void *)0), P2, ((void *)0))
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0]
[L752]               1  x = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=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, z=0]
[L769]               2  x = 2
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0]
[L772]               2  __unbuffered_p1_EAX = y
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0]
[L789]               3  y = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0]
[L775]  EXPR         2  a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a)
[L775]               2  a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a)
[L776]  EXPR         2  a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used
[L776]               2  a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used
[L777]  EXPR         2  a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used
[L777]               2  a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used
[L778]  EXPR         2  a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2
[L778]               2  a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2
[L779]  EXPR         2  a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2
[L779]               2  a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2
[L792]               3  z = 1
        VAL             [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1]
[L782]               2  __unbuffered_cnt = __unbuffered_cnt + 1
[L784]               2  return 0;
[L795]  EXPR         3  a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a)
[L795]  EXPR         3  a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a
[L795]  EXPR         3  a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a)
[L795]               3  a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a)
[L796]  EXPR         3  a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used
[L796]               3  a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used
[L797]  EXPR         3  a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used
[L797]               3  a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used
[L798]  EXPR         3  a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3
[L798]               3  a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3
[L799]  EXPR         3  a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3
[L799]               3  a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3
[L802]               3  __unbuffered_cnt = __unbuffered_cnt + 1
[L804]               3  return 0;
[L859]               0  pthread_t t716;
[L860]  FCALL, FORK  0  pthread_create(&t716, ((void *)0), P3, ((void *)0))
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1]
[L809]               4  z = 2
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2]
[L812]               4  __unbuffered_p3_EAX = z
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2]
[L815]               4  weak$$choice0 = __VERIFIER_nondet_bool()
[L816]               4  weak$$choice2 = __VERIFIER_nondet_bool()
[L817]               4  a$flush_delayed = weak$$choice2
[L818]               4  a$mem_tmp = a
[L819]  EXPR         4  !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1)
[L819]               4  a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1)
[L820]  EXPR         4  weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0))
[L820]  EXPR         4  !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)
[L820]  EXPR         4  a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0
[L820]  EXPR         4  !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)
[L820]  EXPR         4  weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0))
[L820]               4  a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0))
[L821]  EXPR         4  weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1))
[L821]               4  a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1))
[L822]  EXPR         4  weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used))
[L822]               4  a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used))
[L823]  EXPR         4  weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0))
[L823]               4  a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0))
[L824]  EXPR         4  weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4))
[L824]  EXPR         4  !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)
[L824]  EXPR         4  a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4
[L824]  EXPR         4  !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)
[L824]  EXPR         4  weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4))
[L824]               4  a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4))
[L825]  EXPR         4  weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0))
[L825]               4  a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0))
[L826]               4  __unbuffered_p3_EBX = a
[L827]  EXPR         4  a$flush_delayed ? a$mem_tmp : a
[L827]               4  a = a$flush_delayed ? a$mem_tmp : a
[L828]               4  a$flush_delayed = (_Bool)0
        VAL             [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=0, x=2, y=1, z=2]
[L831]  EXPR         4  a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a)
[L831]               4  a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a)
[L832]  EXPR         4  a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used
[L832]               4  a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used
[L833]  EXPR         4  a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used
[L833]               4  a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used
[L834]  EXPR         4  a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4
[L834]               4  a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4
[L835]  EXPR         4  a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4
[L835]               4  a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4
[L838]               4  __unbuffered_cnt = __unbuffered_cnt + 1
[L840]               4  return 0;
[L755]  EXPR         1  a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a)
[L755]               1  a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a)
[L756]  EXPR         1  a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used
[L756]               1  a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used
[L757]  EXPR         1  a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used
[L757]               1  a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used
[L758]  EXPR         1  a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1
[L758]               1  a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1
[L759]  EXPR         1  a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1
[L759]               1  a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1
[L762]               1  __unbuffered_cnt = __unbuffered_cnt + 1
[L764]               1  return 0;
[L862]               0  main$tmp_guard0 = __unbuffered_cnt == 4
        VAL             [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=0, x=2, y=1, z=2]
[L873]               0  main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0)
[L7]    COND TRUE    0  !expression
[L7]                 0  __VERIFIER_error()
        VAL             [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=9, weak$$choice2=0, x=2, y=1, z=2]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 5 procedures, 111 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.2s, OverallIterations: 12, TraceHistogramMax: 1, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 396 SDtfs, 678 SDslu, 802 SDs, 0 SdLazy, 311 SolverSat, 116 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4874occurred 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: 1.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 982 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 39779 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...