/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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix047_tso.opt.i


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


This is Ultimate 0.1.25-4336eb1
[2019-12-28 02:53:11,427 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-12-28 02:53:11,430 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-12-28 02:53:11,446 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-12-28 02:53:11,447 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-12-28 02:53:11,448 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-12-28 02:53:11,449 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2019-12-28 02:53:11,459 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-12-28 02:53:11,460 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-12-28 02:53:11,460 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-12-28 02:53:11,462 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-12-28 02:53:11,464 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-12-28 02:53:11,466 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-12-28 02:53:11,467 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-12-28 02:53:11,468 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-12-28 02:53:11,469 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-12-28 02:53:11,472 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2019-12-28 02:53:11,472 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-12-28 02:53:11,473 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
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[2019-12-28 02:53:11,479 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-12-28 02:53:11,481 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-12-28 02:53:11,482 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf
[2019-12-28 02:53:11,503 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-12-28 02:53:11,504 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-12-28 02:53:11,507 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-12-28 02:53:11,507 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-12-28 02:53:11,507 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-12-28 02:53:11,508 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-12-28 02:53:11,508 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-12-28 02:53:11,508 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-12-28 02:53:11,508 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-12-28 02:53:11,509 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-12-28 02:53:11,509 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-12-28 02:53:11,509 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-12-28 02:53:11,509 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-12-28 02:53:11,509 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-12-28 02:53:11,510 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-12-28 02:53:11,510 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-12-28 02:53:11,510 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-12-28 02:53:11,510 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-12-28 02:53:11,510 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-12-28 02:53:11,511 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-12-28 02:53:11,511 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-12-28 02:53:11,511 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-12-28 02:53:11,511 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-12-28 02:53:11,511 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-12-28 02:53:11,513 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-12-28 02:53:11,514 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-12-28 02:53:11,514 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-12-28 02:53:11,514 INFO  L138        SettingsManager]:  * Override the interpolant automaton setting of the refinement strategy=true
[2019-12-28 02:53:11,514 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2019-12-28 02:53:11,514 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-12-28 02:53:11,516 INFO  L138        SettingsManager]:  * Interpolant automaton=MCR
[2019-12-28 02:53:11,516 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-12-28 02:53:11,827 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-12-28 02:53:11,840 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-12-28 02:53:11,844 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-12-28 02:53:11,845 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-12-28 02:53:11,846 INFO  L275        PluginConnector]: CDTParser initialized
[2019-12-28 02:53:11,847 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix047_tso.opt.i
[2019-12-28 02:53:11,912 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c8ec7a57/2ddef4a0503e467899934619d09e3e01/FLAG2820f6e27
[2019-12-28 02:53:12,478 INFO  L306              CDTParser]: Found 1 translation units.
[2019-12-28 02:53:12,478 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_tso.opt.i
[2019-12-28 02:53:12,500 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c8ec7a57/2ddef4a0503e467899934619d09e3e01/FLAG2820f6e27
[2019-12-28 02:53:12,818 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c8ec7a57/2ddef4a0503e467899934619d09e3e01
[2019-12-28 02:53:12,827 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-12-28 02:53:12,829 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2019-12-28 02:53:12,830 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-12-28 02:53:12,830 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-12-28 02:53:12,835 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-12-28 02:53:12,836 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:12" (1/1) ...
[2019-12-28 02:53:12,838 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b35c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:12, skipping insertion in model container
[2019-12-28 02:53:12,838 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:12" (1/1) ...
[2019-12-28 02:53:12,844 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2019-12-28 02:53:12,919 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2019-12-28 02:53:13,487 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-12-28 02:53:13,506 INFO  L203         MainTranslator]: Completed pre-run
[2019-12-28 02:53:13,612 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-12-28 02:53:13,688 INFO  L208         MainTranslator]: Completed translation
[2019-12-28 02:53:13,689 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:13 WrapperNode
[2019-12-28 02:53:13,689 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-12-28 02:53:13,690 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-12-28 02:53:13,690 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-12-28 02:53:13,690 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2019-12-28 02:53:13,700 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:13" (1/1) ...
[2019-12-28 02:53:13,725 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:13" (1/1) ...
[2019-12-28 02:53:13,761 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-12-28 02:53:13,762 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-12-28 02:53:13,762 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-12-28 02:53:13,762 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-12-28 02:53:13,773 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:13" (1/1) ...
[2019-12-28 02:53:13,773 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:13" (1/1) ...
[2019-12-28 02:53:13,778 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:13" (1/1) ...
[2019-12-28 02:53:13,779 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:13" (1/1) ...
[2019-12-28 02:53:13,789 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:13" (1/1) ...
[2019-12-28 02:53:13,793 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:13" (1/1) ...
[2019-12-28 02:53:13,797 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:13" (1/1) ...
[2019-12-28 02:53:13,802 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-12-28 02:53:13,803 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-12-28 02:53:13,803 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-12-28 02:53:13,803 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-12-28 02:53:13,804 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:13" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-12-28 02:53:13,867 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-12-28 02:53:13,867 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2019-12-28 02:53:13,867 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-12-28 02:53:13,868 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-12-28 02:53:13,868 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2019-12-28 02:53:13,868 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2019-12-28 02:53:13,868 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2019-12-28 02:53:13,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2019-12-28 02:53:13,869 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2019-12-28 02:53:13,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2019-12-28 02:53:13,869 INFO  L130     BoogieDeclarations]: Found specification of procedure P3
[2019-12-28 02:53:13,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure P3
[2019-12-28 02:53:13,870 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2019-12-28 02:53:13,870 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-12-28 02:53:13,870 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-12-28 02:53:13,872 WARN  L205             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2019-12-28 02:53:14,644 INFO  L282             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-12-28 02:53:14,644 INFO  L287             CfgBuilder]: Removed 8 assume(true) statements.
[2019-12-28 02:53:14,646 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:53:14 BoogieIcfgContainer
[2019-12-28 02:53:14,646 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-12-28 02:53:14,647 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-12-28 02:53:14,647 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2019-12-28 02:53:14,651 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2019-12-28 02:53:14,651 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 02:53:12" (1/3) ...
[2019-12-28 02:53:14,652 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e69cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:53:14, skipping insertion in model container
[2019-12-28 02:53:14,653 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:13" (2/3) ...
[2019-12-28 02:53:14,653 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e69cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:53:14, skipping insertion in model container
[2019-12-28 02:53:14,653 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:53:14" (3/3) ...
[2019-12-28 02:53:14,655 INFO  L109   eAbstractionObserver]: Analyzing ICFG mix047_tso.opt.i
[2019-12-28 02:53:14,666 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2019-12-28 02:53:14,666 INFO  L156   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-12-28 02:53:14,677 INFO  L168   ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2019-12-28 02:53:14,678 INFO  L340   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2019-12-28 02:53:14,731 WARN  L315   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,732 WARN  L315   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,732 WARN  L315   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,732 WARN  L315   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,733 WARN  L315   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,733 WARN  L315   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,733 WARN  L315   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,733 WARN  L315   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,734 WARN  L315   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,734 WARN  L315   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,734 WARN  L315   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,734 WARN  L315   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,735 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,735 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,735 WARN  L315   ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,736 WARN  L315   ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,736 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,736 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,736 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,737 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,737 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,737 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,737 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,738 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,738 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,738 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,738 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,738 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,739 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,739 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,739 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,740 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,740 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,740 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,740 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,741 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,741 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,741 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,742 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,742 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,742 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,742 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,743 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,743 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,744 WARN  L315   ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,744 WARN  L315   ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,744 WARN  L315   ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,744 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,745 WARN  L315   ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,745 WARN  L315   ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,745 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,746 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,746 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,746 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,746 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,747 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,747 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,747 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,747 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,748 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,748 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,748 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,748 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,749 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,749 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,749 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,749 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,750 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,750 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,750 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,750 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,751 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,751 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,751 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,752 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,752 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,756 WARN  L315   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,756 WARN  L315   ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,757 WARN  L315   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,780 WARN  L315   ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,790 WARN  L315   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,791 WARN  L315   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,791 WARN  L315   ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,792 WARN  L315   ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,796 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,796 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,796 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,797 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,797 WARN  L315   ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,797 WARN  L315   ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,797 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,797 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,798 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,798 WARN  L315   ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,800 WARN  L315   ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,800 WARN  L315   ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,801 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,801 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,801 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,801 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,801 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,802 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,802 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,802 WARN  L315   ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,802 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,802 WARN  L315   ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2019-12-28 02:53:14,818 INFO  L249      AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2019-12-28 02:53:14,838 INFO  L373      AbstractCegarLoop]: Interprodecural is true
[2019-12-28 02:53:14,838 INFO  L374      AbstractCegarLoop]: Hoare is true
[2019-12-28 02:53:14,838 INFO  L375      AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-12-28 02:53:14,838 INFO  L376      AbstractCegarLoop]: Backedges is MCR
[2019-12-28 02:53:14,838 INFO  L377      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-12-28 02:53:14,838 INFO  L378      AbstractCegarLoop]: Difference is false
[2019-12-28 02:53:14,838 INFO  L379      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-12-28 02:53:14,838 INFO  L383      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-12-28 02:53:14,853 INFO  L100   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 180 places, 208 transitions
[2019-12-28 02:56:40,342 INFO  L122   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 380022 states.
[2019-12-28 02:56:40,344 INFO  L276                IsEmpty]: Start isEmpty. Operand 380022 states.
[2019-12-28 02:56:40,367 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2019-12-28 02:56:40,368 INFO  L403         BasicCegarLoop]: Found error trace
[2019-12-28 02:56:40,369 INFO  L411         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, 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]
[2019-12-28 02:56:40,369 INFO  L410      AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-12-28 02:56:40,375 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2019-12-28 02:56:40,376 INFO  L82        PathProgramCache]: Analyzing trace with hash 566671362, now seen corresponding path program 1 times
[2019-12-28 02:56:40,387 INFO  L163   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-12-28 02:56:40,388 INFO  L348   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782689947]
[2019-12-28 02:56:40,388 INFO  L94    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-12-28 02:56:40,534 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2019-12-28 02:56:40,742 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2019-12-28 02:56:40,743 INFO  L348   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782689947]
[2019-12-28 02:56:40,744 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2019-12-28 02:56:40,744 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2019-12-28 02:56:40,745 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [422121707]
[2019-12-28 02:56:40,747 INFO  L132   pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class.
[2019-12-28 02:56:40,757 INFO  L197   pAbStrategyModuleMcr]: Started intersection.
[2019-12-28 02:56:40,787 INFO  L208   pAbStrategyModuleMcr]: Finished intersection with 54 states and 53 transitions.
[2019-12-28 02:56:40,788 INFO  L219   pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton.
[2019-12-28 02:56:40,794 INFO  L288   pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times.
[2019-12-28 02:56:40,794 INFO  L442      AbstractCegarLoop]: Interpolant automaton has 4 states
[2019-12-28 02:56:40,795 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2019-12-28 02:56:40,805 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2019-12-28 02:56:40,806 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-12-28 02:56:40,807 INFO  L87              Difference]: Start difference. First operand 380022 states. Second operand 4 states.
[2019-12-28 02:56:59,688 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2019-12-28 02:56:59,688 INFO  L93              Difference]: Finished difference Result 396278 states and 2138290 transitions.
[2019-12-28 02:56:59,688 INFO  L142   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2019-12-28 02:56:59,690 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 53
[2019-12-28 02:56:59,690 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2019-12-28 02:57:01,874 INFO  L225             Difference]: With dead ends: 396278
[2019-12-28 02:57:01,874 INFO  L226             Difference]: Without dead ends: 344054
[2019-12-28 02:57:01,876 INFO  L631         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2019-12-28 02:57:09,081 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 344054 states.
Received shutdown request...